First Stage Reassembly Procedure - Aqua Lung PHODS Technical Manual

8

FIRST STAGE REASSEMBLY PROCEDURE

NOTE: Before performing any reassembly, it is
important to inspect all parts, both new and those
that are being reused, to ensure that every part and
component is perfectly clean and free of any dust,
corrosion or blemishes. Before dressing each o-ring
with Christo-Lube
and free of any blemish.
WARNING: Use only genuine Aqua Lung
sub-assemblies
assembling any Aqua Lung
attempt to substitute an Aqua Lung
another manufacturer's,
similarity in shape, size or appearance. Doing so
may render the product unsafe and could result in
serious injury or death.
NOTE: Powder free latex or nitrile gloves must be used
for all internal assemblies.
1. Install the fill port cap
r et ainin g w ir e ove r t h e
cylinder (26) neck. Ensure
the open end of the cap is
pointing as shown.
2. Install o-ring (27) over the cylinder threads so that it is
seated against the first stage body (8). Lightly lubricate the
threads first stage body.
, check to ensure it is clean, supple
®
and components whenever
product. DO NOT
®
part with
®
regardless
CAUTION:
wrench flats at the top of the first stage body (8). Do not
position the crowfoot over the bonnet opening as this
will cause damage, resulting in replacement of the body.
3. Thread the first stage
body (8) into the cylinder
(26) until hand tight. Secure
the cylinder in the vise
jaw inserts. Use a 1 3/16"
parts,
®
crowfoot and torque wrench
to apply 25 ft lb / 33.9 Nm of
torque to the first stage body.
of any
4. Install o-ring (3) and o-ring (5) onto the piston (4). Closely
inspect the edges of new HP seat (6). One edge is sharp
and one edge has a bevel. Using your fingers, press the HP
seat into the piston with the beveled edge facing out. The
HP seat should be flush with the end of the piston. If you are
unable to press the HP seat into the piston, place the HP
seat on a flat, clean surface (beveled side down) and press
the piston shaft down over it.
5. Lightly lubricate the threads on the first stage body (8).
Insert the spring (7) into place inside the first stage body.
Press the piston (4) into the retainer cap (2) so that the piston
head is seated flat against the cap.
PHODS Technical Manual
Ensure that the crowfoot is aligned with the